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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 90 · 40 questions
TalentJR

Remember (What comes out?): Sources give electricity: cells, batteries, solar panels, generators, dynamos, power stations. Appliances use it and change it: light (torch, tube light), heat (iron, kettle, toaster), movement (fan, mixer, drill), sound (doorbell, buzzer, speaker). Ask: what comes out when it works? That is the energy it mainly gives.

NameDateTime takenScore ___ / 40
  1. 1.🔍 Which is the odd one out? (a) a siren (b) a mixer grinder (c) an exhaust fan (d) an electric toy car
  2. 2.⚡ What does a tube light mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  3. 3.Which of these mainly makes sound? (a) a torch (b) a buzzer (c) a ceiling fan (d) an electric kettle
  4. 4.Which of these gives us electricity? (a) a computer (b) a television (c) a mobile phone (d) a wind turbine
  5. 5.🔍 Which is the odd one out? (a) a room heater (b) a doorbell (c) a loudspeaker (d) a school bell
  6. 6.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) sound energy (c) chemical energy (d) movement energy
  7. 7.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  8. 8.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  9. 9.⚡ What does a table fan mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  10. 10.Which of these mainly makes sound? (a) a torch (b) a tube light (c) a doorbell (d) a traffic signal
  11. 11.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  12. 12.Which of these gives us electricity? (a) a computer (b) a washing machine (c) a television (d) a generator
  13. 13.Which of these mainly gives out heat? (a) a buzzer (b) a doorbell (c) a toaster (d) a table fan
  14. 14.⚡ What does a buzzer mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  15. 15.True or false: a night lamp mainly makes movement. (a) False (b) True
  16. 16.True or false: an LED lamp mainly gives out light. (a) True (b) False
  17. 17.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) light energy (c) sound energy (d) wind energy
  18. 18.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) dust particles (c) electrons (d) photons
  19. 19.🔍 Which is the odd one out? (a) a school bell (b) a ceiling fan (c) an electric drill (d) a table fan
  20. 20.Which of these mainly gives out heat? (a) a buzzer (b) a torch (c) a rice cooker (d) a table fan
  21. 21.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  22. 22.Which of these gives us electricity? (a) a computer (b) a refrigerator (c) a washing machine (d) a battery
  23. 23.Which of these uses electricity? (a) a cell (b) a bicycle dynamo (c) a solar panel (d) a television
  24. 24.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) sound energy (c) electrical energy (d) wind energy
  25. 25.True or false: a buzzer mainly makes sound. (a) False (b) True
  26. 26.⚡ What does a street light mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  27. 27.True or false: a traffic signal mainly makes movement. (a) False (b) True
  28. 28.True or false: a night lamp mainly makes sound. (a) False (b) True
  29. 29.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  30. 30.Which of these gives us electricity? (a) a cell (b) a mobile phone (c) an air conditioner (d) a computer
  31. 31.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  32. 32.Which of these uses electricity? (a) a bicycle dynamo (b) a washing machine (c) a cell (d) a battery
  33. 33.⚡ What does a siren mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  34. 34.True or false: a toaster mainly makes sound. (a) False (b) True
  35. 35.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  36. 36.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  37. 37.Which of these mainly makes movement? (a) a loudspeaker (b) an exhaust fan (c) a doorbell (d) a school bell
  38. 38.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) electric current (c) a magnet (d) friction
  39. 39.Which of these mainly makes sound? (a) a tube light (b) a rice cooker (c) an electric drill (d) a siren
  40. 40.True or false: an electric kettle mainly gives out heat. (a) False (b) True

Answer key

  1. a siren
  2. light
  3. a buzzer
  4. a wind turbine
  5. a room heater
  6. movement energy
  7. gives electricity
  8. gives electricity
  9. movement
  10. a doorbell
  11. uses electricity
  12. a generator
  13. a toaster
  14. sound
  15. False
  16. True
  17. light energy
  18. electrons
  19. a school bell
  20. a rice cooker
  21. gives electricity
  22. a battery
  23. a television
  24. electrical energy
  25. True
  26. light
  27. False
  28. False
  29. gives electricity
  30. a cell
  31. uses electricity
  32. a washing machine
  33. sound
  34. False
  35. uses electricity
  36. gives electricity
  37. an exhaust fan
  38. electric current
  39. a siren
  40. True

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